Instead clutching at straws,please provide the information that disproves what i wrote.
Is the GTX200 a huge die?Yes.
Does it have poorer yields and cost way more to produce than RV770?Yes.
Does it perform worse than 4850CFed?Yes.4870 in CF will demolish GTX280.
Will 4870X2 be faster than 4850CF?Yes.
Will 4870X2 cost less(from what we know by now)?Yes.